prnis69 prnis69

21-01-2021
Mathematics

contestada

(3m – 9) -- (-10m – 9)

Respuesta :

Trizzytransboy Trizzytransboy

21-01-2021

Answer:

-13m - 18

Step-by-step explanation:

(3m - 9) -- (-10m - 9 )

Subtract the 3m to the -10m, and add the 9's together.

Answer Link

queenelisiah26 queenelisiah26

21-01-2021

Answer:

the answer is 13m

Step-by-step explanation:

remove parenthesis : 3m – 9 + 10m – 9

simplify : 3m - 9 +10 +9 = 13m

Answer Link

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